#7C57B3
Closest named color: Deep Lavender (#8D5EB7). oklch(53.8% 0.142 300.2), rgb(124, 87, 179).
Aa
White text reads best on this color (5.42:1).
About this color
#7C57B3 is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.142 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lavender (#8D5EB7), ΔE 0.036 away. White text reads best on it, at 5.42:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Deep Lavender (#8D5EB7) |
| Black text | 3.87:1 |
| White text | 5.42:1 |
Values
| HEX | #7C57B3 |
| RGB | rgb(124, 87, 179) |
| HSL | hsl(264, 38%, 52%) |
| OKLCH | oklch(53.8% 0.142 300.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #7C57B3 | 5.42:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #7C57B3 | 3.87:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #7C57B3 text on white | 5.42:1 | AA | Lc 76.8 | Fine for body text |
| #7C57B3 text on black | 3.87:1 | AA large text | Lc -24.9 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE7F5
oklch(93.5% 0.019 299.1)
-
Step 200
200
#DCD4EE
oklch(88.4% 0.036 299.7)
-
Step 300
300
#C7B8E4
oklch(80.9% 0.063 300.6)
-
Step 400
400
#AB92D7
oklch(70.8% 0.102 300.5)
-
Step 500
500
#9675CC
oklch(63% 0.131 300.2)
-
Step 600
600 (this color)
#7C57B3
oklch(53.8% 0.142 300.2)
-
Step 700
700
#6D4C9F
oklch(49.1% 0.131 300)
-
Step 800
800
#593E81
oklch(42.6% 0.11 300.4)
-
Step 900
900
#493668
oklch(37.8% 0.085 299.9)
-
Step 950
950
#2B203D
oklch(27.1% 0.054 300.3)
#7C57B3 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #376AB6 | 0.099 |
| Deuteranopia (no green cones) | #4169B1 | 0.091 |
| Tritanopia (no blue cones) | #71687D | 0.108 |
| Achromatopsia (no color) | #6A6A6A | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C57B3
#7C57B3
oklch(53.8% 0.142 300.2)
- #657800
#657800
oklch(53.8% 0.128 120.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #7C57B3, closest first.
No curated palette has a color within ΔE 0.04 of #7C57B3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lavender #8D5EB7 ΔE 0.036
- Light Indigo #6D5ACF ΔE 0.050
- Slate Blue #6A5ACD ΔE 0.050
- Iris #6258C4 ΔE 0.050
- Dark Periwinkle #665FD1 ΔE 0.058
- Amethyst #9B5FC0 ΔE 0.062
- Purply #983FB2 ΔE 0.067
- Dark Lavender #856798 ΔE 0.069
Use #7C57B3 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.